CN112518394B - Electric spindle and machine tool for water outlet of mechanical tool changing center - Google Patents
Electric spindle and machine tool for water outlet of mechanical tool changing center Download PDFInfo
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- CN112518394B CN112518394B CN202011420753.XA CN202011420753A CN112518394B CN 112518394 B CN112518394 B CN 112518394B CN 202011420753 A CN202011420753 A CN 202011420753A CN 112518394 B CN112518394 B CN 112518394B
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 90
- 238000010009 beating Methods 0.000 claims abstract description 52
- 238000007789 sealing Methods 0.000 claims abstract description 21
- 230000007246 mechanism Effects 0.000 claims abstract description 14
- 210000001503 joint Anatomy 0.000 claims abstract description 4
- 230000001681 protective effect Effects 0.000 claims description 10
- 230000005611 electricity Effects 0.000 claims 1
- 238000001816 cooling Methods 0.000 abstract description 3
- 238000003754 machining Methods 0.000 description 11
- 230000008901 benefit Effects 0.000 description 6
- 239000000047 product Substances 0.000 description 6
- 210000000078 claw Anatomy 0.000 description 4
- 238000007667 floating Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 230000009471 action Effects 0.000 description 2
- 238000007599 discharging Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 238000010079 rubber tapping Methods 0.000 description 2
- 238000006467 substitution reaction Methods 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005553 drilling Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 238000003801 milling Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q3/00—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine
- B23Q3/155—Arrangements for automatic insertion or removal of tools, e.g. combined with manual handling
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q11/00—Accessories fitted to machine tools for keeping tools or parts of the machine in good working condition or for cooling work; Safety devices specially combined with or arranged in, or specially adapted for use in connection with, machine tools
- B23Q11/10—Arrangements for cooling or lubricating tools or work
- B23Q11/1015—Arrangements for cooling or lubricating tools or work by supplying a cutting liquid through the spindle
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Auxiliary Devices For Machine Tools (AREA)
Abstract
The invention discloses a water outlet electric spindle of a mechanical tool changing center and a machine tool, comprising: a body assembly; a mandrel assembly; a pull rod assembly; the mechanical cutter changing mechanism comprises a cutter beating cylinder and a cutter beating component, the bottom of the cutter beating cylinder is provided with supporting feet, the supporting feet penetrate through grooves of the machine body component and are connected with the cutter beating component, the cutter beating cylinder is supported by the first elastic component to be floatingly arranged on the machine body component, and the side face of the cutter beating cylinder is provided with an avoidance groove; the central water outlet mechanism comprises a central water outlet mounting seat and a rotary shaft core, wherein the central water outlet mounting seat is arranged in a cylinder hole of the cutter beating cylinder and is connected with the machine body assembly, the central water outlet mounting seat is provided with a lateral water inlet, the rotary shaft core is supported in the machine body assembly through a bearing, the rotary shaft core is in butt joint with the central water outlet mounting seat through a rotary sealing structure, and the pull rod assembly is in sleeve joint with the rotary shaft core. The mechanical tool changing device combines mechanical tool changing with central water outlet, so that the cooling of the tool and the processed part is improved, the processing chip removal condition is improved, and the tool changing speed and stability are improved.
Description
Technical Field
The invention is used in the field of electric spindles, and particularly relates to a water outlet electric spindle of a mechanical tool changing center and a machine tool.
Background
The currently used central water outlet spindle tool changing mode is single, and the main tool changing mode is cylinder tool changing. The tool changing mode is slow in speed, and due to the adoption of pneumatic components, the service life of the sealing part is short, and the stability is poor.
Disclosure of Invention
The invention aims to at least solve one of the technical problems in the prior art, and provides a water outlet electric spindle of a mechanical tool changing center and a machine tool, which combine mechanical tool changing with center water outlet, so that the cooling of a tool and a machined part is improved, the chip removal conditions of machining are improved, and the tool changing speed and stability are improved.
The technical scheme adopted for solving the technical problems is as follows:
in a first aspect, a mechanical tool changing center water outlet electric spindle includes:
a body assembly;
A mandrel assembly;
The pull rod assembly is arranged in the axial inner hole of the shaft core assembly, and is provided with an axial water passing hole;
The mechanical cutter changing mechanism comprises a cutter beating cylinder and a cutter beating component, wherein the bottom of the cutter beating cylinder is provided with supporting legs, the supporting legs penetrate through grooves of a machine body component to be connected with the cutter beating component, the cutter beating component is arranged inside the machine body component and used for pushing the pull rod component, the cutter beating cylinder is supported by a first elastic component to be floatingly installed on the machine body component, the top of the cutter beating cylinder is provided with a stress surface matched with a cam, and the side surface of the cutter beating cylinder is provided with an avoidance groove;
The central water outlet mechanism comprises a central water outlet mounting seat and a rotary shaft core, wherein the central water outlet mounting seat is arranged in a cylinder hole of the cutter beating cylinder and is connected with the machine body assembly, the central water outlet mounting seat is provided with a lateral water inlet at a position corresponding to the avoidance groove, the rotary shaft core is supported by the machine body assembly through a bearing, the rotary shaft core is in butt joint with the central water outlet mounting seat through a rotary sealing structure, and the pull rod assembly is in sleeve joint with the rotary shaft core.
With reference to the first aspect, in some implementations of the first aspect, a boss is provided at a top of the body assembly, the central water outlet mounting seat is mounted at a top of the boss, the cutter cylinder sleeve is provided on the boss, and a sealing ring is provided between the cutter cylinder and the boss, and between the cutter cylinder sleeve and the central water outlet mounting seat.
With reference to the first aspect and the foregoing implementation manner, in certain implementation manners of the first aspect, the tool setting device further includes a protective cover, wherein the protective cover is sleeved outside the tool setting cylinder and is connected with the machine body assembly, and a sealing ring is arranged between the tool setting cylinder and the protective cover.
With reference to the first aspect and the foregoing implementation manner, in some implementation manners of the first aspect, a water collecting cavity is disposed between the boss and the central water outlet mounting seat and outside the rotary sealing structure, and the machine body assembly is provided with a drain hole communicated with the water collecting cavity.
With reference to the first aspect and the foregoing implementation manners, in certain implementation manners of the first aspect, the tool driving cylinder is provided with an axial screw hole, and the tool driving cylinder is defined in the machine body assembly by a screw disposed in the axial screw hole.
With reference to the first aspect and the foregoing implementation manner, in certain implementation manners of the first aspect, the tool striking cylinder is provided with a countersink at a top end of the axial screw hole, and the screw is hidden in the countersink when the tool striking cylinder strikes a tool.
With reference to the first aspect and the foregoing implementation manner, in some implementation manners of the first aspect, a second elastic component is disposed between the screw and the sink.
With reference to the first aspect and the foregoing implementation manner, in certain implementation manners of the first aspect, a hole site is provided at a lower end of the tool striking cylinder, the first elastic component is disposed in the hole site, and a positioning pin for guiding the first elastic component is disposed in the first elastic component.
With reference to the first aspect and the foregoing implementation manner, in certain implementation manners of the first aspect, the knife striking component includes a knife striking plate, the pull rod assembly is provided with a pull rod nut matched with the knife striking plate, the pull rod assembly is matched with the rotating shaft core through a flat position, and a sealing ring is arranged between the pull rod assembly and the rotating shaft core.
A second aspect of a machine tool, including a mechanical tool changing center water-outlet electric spindle according to any one of the first aspect.
One of the above technical solutions has at least one of the following advantages or beneficial effects: the conventional cylinder tool changing is changed into mechanical tool changing, the tool magazine and the main shaft of the mechanical tool changing can be linked through the cam, the tool changing speed is far faster than that of the cylinder tool changing, the center water outlet function is added, and the product processing quality can be obviously improved. The electric spindle has the characteristics of capability of discharging water from the center, short tool changing time, compact structure and the like; meanwhile, the machine tool machining efficiency, the product machining precision and the product machining stability can be improved, the machine tool structure is effectively simplified, the machine tool cost is reduced, and the machining level of the machine tool is improved.
Additional aspects and advantages of the invention will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention.
Drawings
The foregoing and/or additional aspects and advantages of the invention will become apparent and may be better understood from the following description of embodiments taken in conjunction with the accompanying drawings in which:
FIG. 1 is a schematic diagram of one embodiment of an motorized spindle of the present invention;
FIG. 2 is a schematic view of the construction of the tool driving cylinder of one embodiment shown in FIG. 1;
FIG. 3 is a schematic view of the center outlet mount of one embodiment shown in FIG. 1;
FIG. 4 is a schematic view of the top of the body assembly of one embodiment shown in FIG. 1;
FIG. 5 is an exploded view of the mechanical tool changing mechanism of one embodiment shown in FIG. 1;
fig. 6 is a schematic structural view of the central water outlet mechanism of the embodiment shown in fig. 1.
Detailed Description
Reference will now be made in detail to the present embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein the accompanying drawings are used to supplement the description of the written description so that one can intuitively and intuitively understand each technical feature and overall technical scheme of the present invention, but not to limit the scope of the present invention.
In the present invention, if directions (up, down, left, right, front and rear) are described, they are merely for convenience of description of the technical solution of the present invention, and do not indicate or imply that the technical features must be in a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present invention.
In the present invention, "a plurality of" means one or more, and "a plurality of" means two or more, and "greater than", "less than", "exceeding", etc. are understood to not include the present number; "above", "below", "within" and the like are understood to include this number. In the description of the present invention, the description of "first" and "second" if any is used solely for the purpose of distinguishing between technical features and not necessarily for the purpose of indicating or implying a relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.
In the present invention, unless clearly defined otherwise, terms such as "disposed," "mounted," "connected," and the like should be construed broadly and may be connected directly or indirectly through an intermediate medium, for example; the connecting device can be fixedly connected, detachably connected and integrally formed; can be mechanically connected, electrically connected or capable of communicating with each other; may be a communication between two elements or an interaction between two elements. The specific meaning of the words in the invention can be reasonably determined by a person skilled in the art in combination with the specific content of the technical solution.
In which fig. 1 shows a reference direction coordinate system of an embodiment of the present invention, and the embodiment of the present invention is described below with reference to the directions shown in fig. 1.
Referring to fig. 1, an embodiment of the invention provides a mechanical tool changing center water outlet motorized spindle, which comprises a machine body assembly 1, a shaft core assembly 2, a pull rod assembly 3, a mechanical tool changing mechanism and a center water outlet mechanism. The method can be used for working procedures such as deep hole machining, tapping and the like of ceramic machining, stainless steel, aluminum substrates and the like, and can realize high-speed milling, boring and the like.
Referring to fig. 1, a pull rod assembly 3 is arranged in an axial inner hole of the shaft core assembly 2, and the pull rod assembly 3 is matched with a pull claw structure 31 at the end part to realize the assembly of a cutter on an electric spindle.
Referring to fig. 1-5, the mechanical tool changing mechanism comprises a tool beating cylinder 41 and a tool beating component 42, the tool beating cylinder 41 is cylindrical, cylinder holes are formed in the tool beating cylinder 41, the cylinder holes can be through holes or blind holes, support legs 43 are arranged at the bottom of the tool beating cylinder 41, and one or more support legs 43 are arranged along the circumferential direction of the tool beating cylinder 41. The top of the machine body assembly 1 is provided with a corresponding groove 11, the supporting leg 43 penetrates through the groove 11 of the machine body assembly 1 to be connected with the cutter beating component 42, the cutter beating component 42 is arranged in the machine body assembly 1 to be used for pushing the pull rod assembly 3, the cutter beating cylinder 41 is supported by the first elastic component 44 to be floatingly arranged on the machine body assembly 1, the top of the cutter beating cylinder 41 is provided with a stress surface 45 matched with a cam, when the main shaft is used for unloading cutters, the cam acts on the stress surface 45 at the top of the cutter beating cylinder 41, the force is transmitted to the cutter beating component 42 by the stress of the cutter beating cylinder 41, the force is transmitted to the pull rod assembly 3 by the cutter beating component 42, the pull rod assembly 3 and the shaft core assembly 2 generate relative motion, and then the pull claw structure 31 is pushed to move to drive the central water outlet cutter handle 32 to complete cutter unloading actions. When the broaching tool is pulled, the cam leaves the tool striking cylinder 41, and the first elastic part 44 in the pull rod assembly 3 is restored to deform, so that the pull claw structure 31 is pushed to move to drive the central water outlet tool handle 32 to finish the broaching tool.
According to the embodiment of the invention, the conventional cylinder tool changing is changed into mechanical tool changing, the tool magazine and the main shaft of the mechanical tool changing are linked, the tool changing speed is far faster than that of the cylinder tool changing, the mechanical tool changing can improve the tool changing efficiency by more than 40%, the tool changing stability is improved by 30%, and the mechanical tool changing device has obvious advantages in frequent use occasions of the tool changing. And the structure of the machine tool is effectively simplified, the cost of the machine tool is reduced, and the processing level of the machine tool is improved.
Referring to fig. 1, 3 and 6, the central water outlet mechanism includes a central water outlet mounting seat 51 and a rotary shaft core 52, the central water outlet mounting seat 51 is disposed inside a cylinder hole of the cutter cylinder 41 and is connected with the machine body assembly 1, the rotary shaft core 52 is supported on the machine body assembly 1 through a bearing 53, the rotary shaft core 52 and the central water outlet mounting seat 51 are in butt joint through a rotary sealing structure, the pull rod assembly 3 is provided with an axial water passing hole, and the pull rod assembly 3 is in sleeve joint with the rotary shaft core 52. Wherein, dodge groove 46 is offered to the side of the cutter cylinder 41, and the center goes out water mount pad 51 and is equipped with side direction water inlet 54 in the position of dodging groove 46 that corresponds, and side direction water inlet 54 sets up water inlet joint 55. The central water enters the main shaft from the lateral water inlet 54, and the rotary shaft core 52 and the pull rod assembly 3 are connected into a whole and supported and rotated by the bearing 53. The lower end of the pull rod assembly 3 is provided with a pull claw structure 31 and a central water outlet handle, and central water is discharged from a central water outlet handle 32 with a central hole through an axial water passing hole of the pull rod assembly 3. Through the increase of the central water outlet, the cooling of the cutter used by the drilling and tapping machine and the machined part is improved, the chip removal conditions are improved, the service life of the cutter is prolonged, and the machining quality of the part is improved.
Referring to fig. 1, the cutter driving cylinder 41 is provided with a avoiding groove 46 with a certain width on the side surface, so that the cutter driving cylinder 41 cannot interfere with the water inlet joint 55 arranged on the central water outlet mounting seat 51 to cause damage in the cutter changing process.
Specifically, the rotary seal structure may take various forms, for example, in some embodiments shown in fig. 1 and 6, the rotary seal structure includes an upper pressure-resistant pad assembly 56 and a lower pressure-resistant pad assembly 57, the upper pressure-resistant pad assembly 56 is connected to the central water outlet mounting seat 51, the lower pressure-resistant pad assembly 57 is connected to the rotary shaft core 52, and the upper pressure-resistant pad assembly 56 forms a contact seal with the lower pressure-resistant pad assembly 57 of the rotary shaft core 52.
In the use process of the main shaft, the main shaft needs to be isolated from the outside, external water and dust are prevented from entering the main shaft, the service life of the main shaft is prevented from being damaged, in some embodiments, referring to fig. 1 and 4, a boss 12 is arranged at the top of the machine body assembly 1, a central water outlet mounting seat 51 is arranged at the top of the boss 12, a cutter beating cylinder 41 is sleeved on the boss 12, and a sealing ring is arranged between the cutter beating cylinder 41 and the boss 12 and between the cutter beating cylinder 41 and the central water outlet mounting seat 51. By the arrangement of the boss 12, guiding and limiting can be provided for the floating of the cutter beating cylinder 41, and the stability of cutter beating is improved. Meanwhile, by additionally installing the sealing ring, the overflow water at the rotary sealing structure is prevented from flowing out of the main shaft while external foreign matters are prevented from entering the main shaft, so that the sealing performance of the product is improved.
Further, referring to fig. 1, in some embodiments, the device further includes a protective cover 6, the protective cover 6 is sleeved outside the tool driving cylinder 41 and is connected with the machine body assembly 1, the protective cover 6 is tightly attached to the tool driving cylinder 41, a sealing ring is arranged between the tool driving cylinder 41 and the protective cover 6, and when external foreign matters are prevented from entering the interior of the main shaft, water overflowed between the upper pressure-resistant cushion block assembly 56 and the rotating shaft core 52 is prevented from flowing to the exterior of the main shaft, and the sealing is prevented from being damaged.
Referring to fig. 1, a water collecting cavity is arranged between a boss 12 and a central water outlet mounting seat 51 at the outer side of the rotary sealing structure, and a drain hole 13 communicated with the water collecting cavity is arranged on a machine body assembly 1. Water flowing out from between the upper pressure pad assembly 56 and the lower pressure pad assembly 57 of the rotary shaft core 52 flows into the water collecting chamber, and further, the excessive water is discharged to the outside through the body via the drain hole 13.
In some embodiments, referring to fig. 2 and 5, axial screw holes 47 are provided along the circumference of the cylinder wall of the cutter cylinder 41, and the cutter cylinder 41 is defined to the body assembly 1 by screws 48 provided in the axial screw holes 47, in other words, the cutter cylinder 41 can define a floating movement stroke by the screws 48 and provide guidance for the floating of the cutter cylinder 41 by the screws 48.
Further, in order to avoid interference between the screw 48 and the cam, the cutter driving cylinder 41 is provided with a countersink at the top end of the axial screw hole 47, the countersink has a certain depth, and the screw is hidden in the countersink during the floating movement of the cutter driving cylinder 41, so that leakage is avoided.
Referring to fig. 5, a second elastic member 49 may be provided between the screw 48 and the countersink as needed, and the second elastic member 49 may employ a pre-tightening disc spring for reducing impact force at the time of tool changing.
In some embodiments, referring to fig. 5, the first elastic member 44 adopts a compression spring, a hole is provided at the lower end of the tool striking cylinder 41, and the first elastic member 44 is disposed in the hole for resetting the tool striking cylinder 41. The first elastic component 44 is internally provided with a positioning pin for guiding the first elastic component 44, so that the reset stability is ensured. It will be appreciated that, in conjunction with fig. 5, the first elastic member 44 may also be a spring plate, a disc spring, or the like, for resetting the cutter striking cylinder 41.
In some embodiments, referring to fig. 1, the striking member 42 comprises a striking plate connected to the leg 43 of the striking cylinder 41 by a screw, and the draw bar assembly 3 is provided with a draw bar nut 33 that cooperates with the striking plate. When the spindle unloads the cutter, the cam acts on the top surface of the cutter beating cylinder 41, the cutter beating cylinder 41 is stressed to transmit force to the cutter beating plate, the cutter beating plate transmits the force to the pull rod assembly 3 through the pull rod nut 33, and the pull rod assembly 3 and the spindle core assembly 2 generate relative motion, so that the cutter unloading action is realized.
Referring to fig. 1, the pull rod assembly 3 is matched with the rotating shaft core 52 through a flat position, such as an octagonal position, so that the pull rod assembly 3 can rotate together with the rotating shaft core 52, and the pull rod assembly 3 can move relative to the rotating shaft core 52 along the axial direction.
In order to avoid leakage of the central water at the joint, a sealing ring is arranged between the pull rod assembly 3 and the rotating shaft core 52.
The invention perfectly combines mechanical tool changing and central water outlet. The central water outlet can well solve the problem of poor product processing caused by factors such as thermal elongation caused by heating of a main shaft, temperature rise of a cutter, poor chip removal and the like in the processing of precision parts. The mechanical tool changing can improve the tool changing efficiency by more than 40%, improve the tool changing stability by 30%, and particularly has obvious advantages in frequent use occasions of tool changing. Therefore, the invention has high economic benefit.
The embodiment of the invention provides a machine tool, which comprises the electric spindle for discharging water from the mechanical tool changing center in any embodiment, wherein a cam mechanism matched with a tool driving cylinder 41 is arranged on the machine tool, and mechanical tool changing is realized by utilizing the cam mechanism on the machine tool, so that the machining efficiency, the product machining precision and the stability of the machine tool can be improved, the machine tool structure is effectively simplified, the machine tool cost is reduced, and the machining level of the machine tool is improved.
In the description of the present specification, reference to the terms "example," "embodiment," or "some embodiments," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiments or examples. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The present application is, of course, not limited to the above-described embodiments, and one skilled in the art can make equivalent modifications or substitutions without departing from the spirit of the application, and these equivalent modifications or substitutions are intended to be included in the scope of the present application as defined in the appended claims.
Claims (10)
1. The utility model provides a machinery tool changing center goes out water electricity main shaft which characterized in that includes:
a body assembly;
A mandrel assembly;
The pull rod assembly is arranged in the axial inner hole of the shaft core assembly, and is provided with an axial water passing hole;
The mechanical cutter changing mechanism comprises a cutter beating cylinder and a cutter beating component, wherein the bottom of the cutter beating cylinder is provided with supporting legs, the supporting legs penetrate through grooves of a machine body component to be connected with the cutter beating component, the cutter beating component is arranged inside the machine body component and used for pushing the pull rod component, the cutter beating cylinder is supported by a first elastic component to be floatingly installed on the machine body component, the top of the cutter beating cylinder is provided with a stress surface matched with a cam, and the side surface of the cutter beating cylinder is provided with an avoidance groove;
The central water outlet mechanism comprises a central water outlet mounting seat and a rotary shaft core, wherein the central water outlet mounting seat is arranged in a cylinder hole of the cutter beating cylinder and is connected with the machine body assembly, the central water outlet mounting seat is provided with a lateral water inlet at a position corresponding to the avoidance groove, the rotary shaft core is supported by the machine body assembly through a bearing, the rotary shaft core is in butt joint with the central water outlet mounting seat through a rotary sealing structure, and the pull rod assembly is in sleeve joint with the rotary shaft core.
2. The mechanical tool changing center water outlet motorized spindle of claim 1, wherein a boss is arranged at the top of the machine body assembly, the center water outlet mounting seat is arranged at the top of the boss, the tool driving cylinder sleeve is arranged on the boss, and a sealing ring is arranged between the tool driving cylinder and the boss as well as between the tool driving cylinder sleeve and the center water outlet mounting seat.
3. The mechanical tool changing center water outlet motorized spindle of claim 2, further comprising a protective cover, wherein the protective cover is sleeved outside the tool driving cylinder and is connected with the machine body assembly, and a sealing ring is arranged between the tool driving cylinder and the protective cover.
4. The mechanical tool changing center water outlet motorized spindle according to claim 2, wherein a water collecting cavity is arranged between the boss and the center water outlet mounting seat and outside the rotary sealing structure, and the machine body assembly is provided with a water drain hole communicated with the water collecting cavity.
5. The mechanical tool changing center water outlet motorized spindle of claim 1, wherein the tool driving cylinder is provided with an axial screw hole, the tool driving cylinder being defined in the body assembly by a screw disposed in the axial screw hole.
6. The mechanical tool changing center water outlet motorized spindle of claim 5, wherein the tool driving cylinder is provided with a countersink at the top end of the axial screw hole, and the screw is hidden in the countersink when the tool driving cylinder drives the tool.
7. The mechanical tool changing center water outlet motorized spindle of claim 6, wherein a second elastic member is disposed between the screw and the sink.
8. The mechanical tool changing center water outlet motorized spindle of claim 1, wherein a hole site is arranged at the lower end of the tool beating cylinder, the first elastic component is arranged in the hole site, and a positioning pin for guiding the first elastic component is arranged in the first elastic component.
9. The mechanical tool changing center water outlet motorized spindle according to claim 1, wherein the tool beating component comprises a tool beating plate, the pull rod assembly is provided with a pull rod nut matched with the tool beating plate, the pull rod assembly is matched with the rotating shaft core through a flat position, and a sealing ring is arranged between the pull rod assembly and the rotating shaft core.
10. A machine tool comprising a mechanical tool changing center water-out electric spindle according to any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011420753.XA CN112518394B (en) | 2020-12-08 | 2020-12-08 | Electric spindle and machine tool for water outlet of mechanical tool changing center |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011420753.XA CN112518394B (en) | 2020-12-08 | 2020-12-08 | Electric spindle and machine tool for water outlet of mechanical tool changing center |
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| Publication Number | Publication Date |
|---|---|
| CN112518394A CN112518394A (en) | 2021-03-19 |
| CN112518394B true CN112518394B (en) | 2024-05-31 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202011420753.XA Active CN112518394B (en) | 2020-12-08 | 2020-12-08 | Electric spindle and machine tool for water outlet of mechanical tool changing center |
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